ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM VERSION B
NEWEST 2025/2026 COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS|ALREADY GRADED A+
Three main categories of safety a traffic signal technician is responsible for? -
ANSWER-Safety of motorist and pedestrians
His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform several maintenance and repair functions
above the ground and roadway typically using what two vehicles? - ANSWER-
Bucket Truck
Aerial lift (platform truck)
While using a bucket truck or aerial lift what implement provides proper
protection for the user? - ANSWER-Protective Harness
What responsibilities (liability) does a Traffic signal technician have while involved
in repair, testing or maintenance? - ANSWER-Legal liability
Dealing with the public
It is imperative that the traffic signal field technician maintain comprehensive
what of all the steps taken during repair and maintenance of traffic signals? -
ANSWER-Documentation
1|Page
, ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
What two instances are documentation required for a traffic signal field
technician? - ANSWER-Routine maintenance
Emergency repair
The "word" public usually represents the following individuals (4): - ANSWER-Road
users
Area residents / Property owners
Elected and appointed officials
The media
Several means of public interaction are (3): - ANSWER-Mail or email
Telephone contact
Face to face meetings
When dealing with the public, keep in mind that the routines of public users may
be disrupted for periods of time during construction. How should a traffic signal
field technician interact with the public? (5) - ANSWER-Always be polite
Be confident when speaking
Communicate clearly in understandable terminology
Don't argue or threaten
Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic systems are controlled by what? -
ANSWER-Microprocessor
2|Page
, ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
The microprocessor is programmed to recognize what? - ANSWER-Input requests
from vehicle detection systems
A microprocessor takes appropriate action to control intersection what? -
ANSWER-Timing
A forerunner of the electronic controllers that we have today was the? - ANSWER-
Electro-mechanical controller
What is negligence? - ANSWER-Failure to use reasonable care in one's actions
What are considered low-voltage gloves? - ANSWER-Class 00 or 0
What class of gloves would you use for 15K volts AC? - ANSWER-Class 2
Before use, every glove should be? - ANSWER-Field tested
The first thing that can lead to a legal issue when working on the roadway? -
ANSWER-Improper traffic control
High traffic area? - ANSWER-Arterials streets and multiple lanes of travel
Low traffic areas? - ANSWER-Collect streets, typically, narrow and single lanes of
travel
3|Page
, ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
OSHA mandates that you must maintain a minimum of how many feet clearance
from overhead powerlines? - ANSWER-10ft
What is an electrical explosion with a tremendous amount of pressure and heat? -
ANSWER-Arc flash
What must you do before you dig? - ANSWER-Call digalert
Electricity flowing through wires is similar to? - ANSWER-Water flowing through a
pipe
What is ohms law? - ANSWER-E=IXR
What is E in Ohms law? - ANSWER-Voltage and it's is measured in volts
What is I in Ohms law? - ANSWER-Current and it measured in amps
What is R in Ohms law? - ANSWER-Resistance and it's measured in ohms
If electricity is like water flowing through a pipe voltage is like? - ANSWER-Water
pressure
Current is like? - ANSWER-The amount of water flowing through a pipe
4|Page
ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM VERSION B
NEWEST 2025/2026 COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS|ALREADY GRADED A+
Three main categories of safety a traffic signal technician is responsible for? -
ANSWER-Safety of motorist and pedestrians
His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform several maintenance and repair functions
above the ground and roadway typically using what two vehicles? - ANSWER-
Bucket Truck
Aerial lift (platform truck)
While using a bucket truck or aerial lift what implement provides proper
protection for the user? - ANSWER-Protective Harness
What responsibilities (liability) does a Traffic signal technician have while involved
in repair, testing or maintenance? - ANSWER-Legal liability
Dealing with the public
It is imperative that the traffic signal field technician maintain comprehensive
what of all the steps taken during repair and maintenance of traffic signals? -
ANSWER-Documentation
1|Page
, ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
What two instances are documentation required for a traffic signal field
technician? - ANSWER-Routine maintenance
Emergency repair
The "word" public usually represents the following individuals (4): - ANSWER-Road
users
Area residents / Property owners
Elected and appointed officials
The media
Several means of public interaction are (3): - ANSWER-Mail or email
Telephone contact
Face to face meetings
When dealing with the public, keep in mind that the routines of public users may
be disrupted for periods of time during construction. How should a traffic signal
field technician interact with the public? (5) - ANSWER-Always be polite
Be confident when speaking
Communicate clearly in understandable terminology
Don't argue or threaten
Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic systems are controlled by what? -
ANSWER-Microprocessor
2|Page
, ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
The microprocessor is programmed to recognize what? - ANSWER-Input requests
from vehicle detection systems
A microprocessor takes appropriate action to control intersection what? -
ANSWER-Timing
A forerunner of the electronic controllers that we have today was the? - ANSWER-
Electro-mechanical controller
What is negligence? - ANSWER-Failure to use reasonable care in one's actions
What are considered low-voltage gloves? - ANSWER-Class 00 or 0
What class of gloves would you use for 15K volts AC? - ANSWER-Class 2
Before use, every glove should be? - ANSWER-Field tested
The first thing that can lead to a legal issue when working on the roadway? -
ANSWER-Improper traffic control
High traffic area? - ANSWER-Arterials streets and multiple lanes of travel
Low traffic areas? - ANSWER-Collect streets, typically, narrow and single lanes of
travel
3|Page
, ISMA TRAFFIC SIGNAL TECHNICIAN II ACTUAL EXAM
OSHA mandates that you must maintain a minimum of how many feet clearance
from overhead powerlines? - ANSWER-10ft
What is an electrical explosion with a tremendous amount of pressure and heat? -
ANSWER-Arc flash
What must you do before you dig? - ANSWER-Call digalert
Electricity flowing through wires is similar to? - ANSWER-Water flowing through a
pipe
What is ohms law? - ANSWER-E=IXR
What is E in Ohms law? - ANSWER-Voltage and it's is measured in volts
What is I in Ohms law? - ANSWER-Current and it measured in amps
What is R in Ohms law? - ANSWER-Resistance and it's measured in ohms
If electricity is like water flowing through a pipe voltage is like? - ANSWER-Water
pressure
Current is like? - ANSWER-The amount of water flowing through a pipe
4|Page
